import React from "react";
import { useNavigate } from "react-router-dom";

export default function Header() {
    const navigate = useNavigate();

    function back() {
        navigate(-1);
    }

    function forward() {
        navigate(1);
    }

    return (
        <div className="col-xs-offset-2 col-xs-8">
            <div className="page-header">
                <h2>React Router Demo</h2>
            </div>
            <button onClick={back}>⬅后退</button>
            <button onClick={forward}>➡前进</button>
        </div>
    );
}
